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Most Ford's have at least 2 and they are usually located between the engine and the catylytic converter in the exhaust pipe(s), and depending on which engine, some times after the first cat., but before the middle of the vehicle, and sometimes both. Sound confusing? Just comb the ehaust system from the engine to the middle of the truck. It will look like an oversize spark plug with a wiring harness attatched.

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16y ago

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